package org.apache.maven.artifact.resolver;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.versioning.VersionRange;

/**
 * Listens to the resolution process and handles events.
 *
 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
 */
public interface ResolutionListener {
  String ROLE = ResolutionListener.class.getName();

  int TEST_ARTIFACT = 1;

  int PROCESS_CHILDREN = 2;

  int FINISH_PROCESSING_CHILDREN = 3;

  int INCLUDE_ARTIFACT = 4;

  int OMIT_FOR_NEARER = 5;

  int UPDATE_SCOPE = 6;

  @Deprecated
  int MANAGE_ARTIFACT = 7;

  int OMIT_FOR_CYCLE = 8;

  /**
   * this event means that the artifactScope has NOT been updated to a farther node artifactScope
   * because current node is in the first level pom
   */
  int UPDATE_SCOPE_CURRENT_POM = 9;

  int SELECT_VERSION_FROM_RANGE = 10;

  int RESTRICT_RANGE = 11;

  int MANAGE_ARTIFACT_VERSION = 12;

  int MANAGE_ARTIFACT_SCOPE = 13;

  int MANAGE_ARTIFACT_SYSTEM_PATH = 14;

  void testArtifact(Artifact node);

  void startProcessChildren(Artifact artifact);

  void endProcessChildren(Artifact artifact);

  void includeArtifact(Artifact artifact);

  void omitForNearer(Artifact omitted, Artifact kept);

  void updateScope(Artifact artifact, String scope);

  @Deprecated
  void manageArtifact(Artifact artifact, Artifact replacement);

  // TODO Use the following two instead of manageArtifact
  // TODO Remove ResolutionListenerDM interface

  // void manageArtifactVersion( Artifact artifact, Artifact replacement );

  // void manageArtifactScope( Artifact artifact, Artifact replacement );

  void omitForCycle(Artifact artifact);

  /**
   * This event means that the artifactScope has NOT been updated to a farther node artifactScope
   * because current node is in the first level pom
   *
   * @param artifact current node artifact, the one in the first level pom
   * @param ignoredScope artifactScope that was ignored because artifact was in first level pom
   */
  void updateScopeCurrentPom(Artifact artifact, String ignoredScope);

  void selectVersionFromRange(Artifact artifact);

  void restrictRange(Artifact artifact, Artifact replacement, VersionRange newRange);
}
